Table 2 Ratio of mean and median patient interval over mean and median primary care interval, by cancer site

From: The relative length of the patient and the primary care interval in patients with 28 common and rarer cancers

Cancer diagnosis

Mean patient interval/Mean primary care interval

Median patient interval/Median primary care interval

Breast

5.2 (4.0–6.6)

* (*–*)

Melanoma

4.1 (3.0–5.6)

* (*–*)

Testicular

4.1 (2.3–7.3)

8.0 (1.8–*)

Vulval

3.6 (1.8–9.0)

17.0 (3.5–*)

Cervical

3.1 (1.8–5.3)

5.0 (1.3–39.0)

Endometrial

2.6 (1.8–3.8)

14.0 (9.0–*)

Oropharyngeal

2.4 (1.5–4.0)

5.5 (1.8–30.5)

Laryngeal

1.9 (1.1–3.8)

4.9 (2.4–19.3)

Ovarian

1.9 (1.4–2.6)

2.0 (1.1–2.8)

Thyroid

1.9 (1.1–4.1)

2.4 (0.9–5.3)

Brain

1.7 (0.9–3.3)

1.8 (0.8–8.0)

Mesothelioma

1.7 (1.0–3.0)

2.4 (0.7–6.0)

Small intestine

1.7 (0.8–3.3)

1.1 (0.2–4.1)

Colorectal

1.6 (1.4–1.8)

3.2 (2.6–4.5)

Oesophageal

1.5 (1.2–1.9)

4.3 (2.2–11.5)

Prostate

1.5 (1.3–1.8)

0.6 (0.5–0.8)

Leukaemia

1.3 (0.8–2.0)

1.8 (0.6–3.5)

Lymphoma

1.2 (0.9–1.5)

1.6 (1.2–2.4)

Lung

1.0 (0.8–1.2)

0.8 (0.6–1.1)

Sarcoma

1.0 (0.5–2.1)

1.9 (0.4–4.5)

Stomach

1.0 (0.7–1.5)

0.8 (0.3–1.9)

Liver

0.9 (0.4–2.0)

1.3 (0.5–3.3)

Bladder

0.8 (0.6–1.2)

0.7 (0.3–1.5)

Gallbladder

0.8 (0.3–2.1)

0.2 (0.0–0.7)

Myeloma

0.8 (0.4–1.3)

0.7 (0.3–1.0)

Pancreatic

0.8 (0.6–1.1)

1.4 (0.8–2.0)

Renal

0.7 (0.5–1.1)

0.2 (0.1–0.5)

Unknown primary

0.7 (0.4–1.3)

0.5 (0.2–1.3)

  1. Values >1.0 are denoted in bold (indicating predominance of the patient over the primary care interval). Bootstrap 95% confidence intervals for all estimates are presented.
  2. *Not estimable because of median primary care interval values of 0.